Friends Naki on Monster Island

Far across the sea, shrouded in fog, in a realm where evil spirits are said to dwell, there is a sinister island that no one dares go near. One day a human baby named Kotake becomes lost and finds himself on the island, where he encounters some strange creatures. In time, Naki, a rowdy red devil, and Gunjo, a blue devil, begin to look after the boy…